CODEWITHSUNDEEP
javascriptsubmitcapture
Steffen Maas
Steffen Maas

Reputation: 23

capture submit() method

I have a form like:

<form method="POST" action="page.html" onsubmit="alert('foo'); // validate();" name="foobar">
...
</form>

and a link like:

<div onclick="document.foobar.submit();">click me</div>

How can I capture the submit() method and call my validate function?

JsBin example

Upvotes: 2

Views: 3255

Answers (4)

Anoop
Anoop

Reputation: 23208

You can call method from html itself. modified jsbin. Instead of submitting form on click you can call submitHandler and pass form reference.

<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>JS Bin</title>
  <script type="text/javascript">
    function validate(){

    }

    function submitHandler(form){
      validate();
      alert('foo');

}
    window.onload = function(){
        document.foobar.submit = submitHandler;
    }
</script>

</head>
<body>
    <form method="POST" action="page.html" onsubmit="submitHandler(this);" name="foobar">
      <input type="text" />
    </form>

    <div onclick="document.foobar.submit()">click me</div>
</body>    
</html>

Upvotes: 1

Starx
Starx

Reputation: 78981

Uniquely identify your form with an id

document.getElementById('formid').onsubmit = function() {
    // You have captured the submit method now do what you need
};

Demo

Upvotes: 1

Artem Vyshniakov
Artem Vyshniakov

Reputation: 16465

Try this:

<script type="text/javascript">
function addEventsToHTML(){
    var form = document.getElementById('foobar');
    form.onsubmit = submitHandler;
    function submitHandler(){
        validate();
    }
}
window.onload = addEventsToHTML;
</script>

Upvotes: 0

David
David

Reputation: 435

You could use the jQuery .submit() handler.

$('form').submit(function(evt) {
  evt.preventDefault();
  alert('Handler for .submit() called.');
  // Validate function returns false or true
});

Upvotes: 0

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